In this task you're given a question and you have to paraphrase the question to create the output question while retaining the meaning of the original question.

Why did America really get involved with the Vietnam War?
What were the causes of the first Gulf War?

Why should we not use a 2 phase supply?
Why aren't we using 2-phase supply in homes?

Do we seriously have to pay after using WhatsApp for a year?

Why is WhatsApp freely extending its services?

